PrestaShop
PrestaShop is a free, open-source e-commerce platform written in PHP that allows businesses to create and manage online stores. It provides a modular architecture with features like product catalog management, payment processing, shipping integration, and customer relationship tools. The platform is highly customizable through themes and modules, making it suitable for small to medium-sized enterprises.
Developers should learn PrestaShop when building or maintaining e-commerce websites for clients who need a cost-effective, flexible solution with a strong community and extensive module ecosystem. It's particularly useful for projects requiring multilingual and multi-currency support, integration with various payment gateways, and customization without deep coding expertise. Use cases include setting up online retail stores, B2B platforms, or marketplaces with moderate traffic.